Unitil Corp 2026年季度报告

☒QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIESEXCHANGE ACT OF 1934For the quarterly period ended March 31, 2026or☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THESECURITIES EXCHANGE ACT OF 1934For the transition period fromtoCommission File Number 1-8858 UNITIL CORPORATION (Exact name of registrant as specified in its charter) 02-0381573(I.R.S. EmployerIdentification No.) Name of each exchange of which registered Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject tosuch filing requirements for the past 90 days.Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required tosubmit such files).Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reportingcompany, or an emerging growth company. See the definitions of “large accelerated filer”, “accelerated filer”, “smaller reporting company” and“emerging growth company” in Rule 12b-2 of the Exchange Act. Large accelerated filer☒Non-accelerated filer☐ Accelerated filer☐Smaller reporting company☐Emerging growth company☐If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).Yes☐No☒ Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date. UNITIL CORPORATION AND SUBSIDIARY COMPANIESFORM 10-QFor the Quarter Ended March 31, 2026 Table of Contents Page No.2-3 Cautionary Statement Part I. Financial Information Item 1.Financial Statements—UnauditedConsolidated Statements of Earnings—Three months Ended March 31, 2026 and 2025144Consolidated Balance Sheets—March 31, 2026, March 31, 2025 and December 31, 202515-16Consolidated Statements of Cash Flows—Three Months Ended March 31, 2026 and 202517Consolidated Statements of Changes in Common Stock Equity – Three Months EndedMarch 31, 2026 and 202518Notes to Consolidated Financial Statements19-44Item 2.Management’s Discussion and Analysis (MD&A) of Financial Condition and Results ofOperations3-13Item 3.Quantitative and Qualitative Disclosures About Market Risk45Item 4.Controls and Procedures45 In this Quarterly Report on Form 10-Q, the “Company”, “Unitil”, “we”, “us”, “our” and similar terms refer to UnitilCorporation and its subsidiaries, unless the context requires otherwise. CAUTIONARY STATEMENT This report and the documents incorporated by reference into this report contain statements that constitute “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended (the SecuritiesAct), Section 21E of the Securities Exchange Act of 1934, as amended (the Exchange Act), and the PrivateSecurities Litigation Reform Act of 1995. All statements, other than statements of historical fact, included orincorporated by reference into this report, including, without limitation, statements regarding the financial position,business strategy and other plans and objectives for the future operations of the Company, are forward-lookingstatements. These statements include declarations regarding the Company’s beliefs and current expectations. In some cases,forward-looking statements can be identified by terminology such as “may,” “will,” “should,” “expects,” “plans,”“anticipates,” “believes,” “estimates,” “predicts,” “potential” or “continue” or the negative of such terms or othercomparable terminology. These forward-looking statements are subject to inherent risks and uncertainties inpredicting future results and conditions that could cause the actual results to differ materially from those projected inthese forward-looking statements. Some, but not all, of the risks and uncertainties include those described in Part II,Item 1A (Risk Factors) and the following: •numerous hazards and operating risks relating to the Company’s electric and natural gas distributionactivities, which could result in accidents and other operating risks and costs;•fluctuations in the supply of, demand for, and the prices of, electric and gas energy commodities andtransmission and transportation capacity and the Company’s ability to recover energy supply costs in itsrates;•catastrophic events;•cyber-attacks, acts of terrorism, acts of war, severe weather, a solar eve